Core 2 Duo E6540
Core Duo T2400
Core 2 Duo E6540 vs Core Duo T2400 Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Core 2 Duo E6540 vs Core Duo T2400 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Core 2 Duo E6540 vs Core Duo T2400: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core 2 Duo E6540
2007Why buy it
- ✅Costs $131 less on MSRP ($163 MSRP vs $294 MSRP).
- ✅Delivers 81.2% more PassMark for each dollar spent, at 9.2 vs 5.1 PassMark/$ ($163 MSRP vs $294 MSRP).
- ✅Includes a boxed cooler (true), unlike Core Duo T2400.
Trade-offs
- ❌3150% higher power demand at 65W vs 2W.
Core Duo T2400
2006Why buy it
- ✅Draws 2W instead of 65W, a 63W reduction.
Trade-offs
- ❌Lower PassMark (1,488 vs 1,495).
- ❌Lower PassMark per dollar, at 5.1 vs 9.2 PassMark/$ ($294 MSRP vs $163 MSRP).
- ❌No boxed cooler included, unlike Core 2 Duo E6540.
Quick Answers
So, is Core 2 Duo E6540 better than Core Duo T2400?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core 2 Duo E6540 vs Core Duo T2400 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Core 2 Duo E6540
The Core 2 Duo E6540 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 2.33 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,495 points. Launch price was $249.
Core Duo T2400
The Core Duo T2400 is manufactured by Intel. It was released in Janeiro 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 1,488 points. Launch price was $16.
Processing Power
Both the Core 2 Duo E6540 and Core Duo T2400 share an identical 2-core/2-thread configuration. The Core Duo T2400 is built on the Yonah (2005−2006) architecture. In PassMark, the Core 2 Duo E6540 scores 1,495 against the Core Duo T2400's 1,488 — a 0.5% lead for the Core 2 Duo E6540. L3 cache: 4 MB L2 Cache on the Core 2 Duo E6540 vs 0 kB on the Core Duo T2400.
| Feature | Core 2 Duo E6540 | Core Duo T2400 |
|---|---|---|
| Cores / Threads | 2 | 2 / 2 |
| Boost Clock | — | 1.83 GHz |
| Base Clock | 2.33 GHz+27% | 1.83 GHz |
| L3 Cache | 4 MB L2 Cache | 0 kB |
| L2 Cache | — | 2 MB |
| Process | 65 nm | 65 nm |
| Architecture | — | Yonah (2005−2006) |
| PassMark | 1,495 | 1,488 |
Memory & Platform
The Core 2 Duo E6540 uses the LGA775 socket (PCIe 1.1), while the Core Duo T2400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E6540 versus DDR2-667 on the Core Duo T2400 — the Core 2 Duo E6540 supports 99.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E6540 supports up to 16 GB of RAM compared to 4 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6540) and 945GM,945PM (Core Duo T2400).
| Feature | Core 2 Duo E6540 | Core Duo T2400 |
|---|---|---|
| Socket | LGA775 | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | 1333+100% | DDR2-667 |
| Max RAM Capacity | 16 GB+300% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6540) vs VT-x (Core Duo T2400). Primary use case: Core Duo T2400 targets Budget. Direct competitor: Core 2 Duo E6540 rivals Athlon 64 X2 6000+; Core Duo T2400 rivals Pentium T2310.
| Feature | Core 2 Duo E6540 | Core Duo T2400 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Budget |
Value Analysis
At launch, the Core 2 Duo E6540 was priced at $163, while the Core Duo T2400 came in at $294. On launch pricing ($163 vs $294), Core 2 Duo E6540 was $131 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E6540 delivers 9.2 pts/$ vs 5.1 pts/$ for the Core Duo T2400 — making the Core 2 Duo E6540 the 57.8% better value option.
| Feature | Core 2 Duo E6540 | Core Duo T2400 |
|---|---|---|
| MSRP | $163-45% | $294 |
| Performance per Dollar | 9.2+80% | 5.1 |
| Release Date | 2007 | 2006 |
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